257461632

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 256

約数和(自身を含む): 822528000

約数和(自身を除く): 565066368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 41, 46, 48, 54, 64, 69, 72, 79, 82, 92, 96, 108, 123, 128, 138, 144, 158, 164, 184, 192, 207, 216, 237, 246, 276, 288, 316, 328, 368, 369, 384, 414, 432, 474, 492, 552, 576, 621, 632, 656, 711, 736, 738, 828, 864, 943, 948, 984, 1104, 1107, 1152, 1242, 1264, 1312, 1422, 1472, 1476, 1656, 1728, 1817, 1886, 1896, 1968, 2133, 2208, 2214, 2484, 2528, 2624, 2829, 2844, 2944, 2952, 3239, 3312, 3456, 3634, 3772, 3792, 3936, 4266, 4416, 4428, 4968, 5056, 5248, 5451, 5658, 5688, 5904, 6478, 6624, 7268, 7544, 7584, 7872, 8487, 8532, 8832, 8856, 9717, 9936, 10112, 10902, 11316, 11376, 11808, 12956, 13248, 14536, 15088, 15168, 15744, 16353, 16974, 17064, 17712, 19434, 19872, 21804, 22632, 22752, 23616, 25461, 25912, 26496, 29072, 29151, 30176, 30336, 32706, 33948, 34128, 35424, 38868, 39744, 43608, 45264, 45504, 47232, 49059, 50922, 51824, 58144, 58302, 60352, 65412, 67896, 68256, 70848, 74497, 77736, 79488, 87216, 87453, 90528, 91008, 98118, 101844, 103648, 116288, 116604, 120704, 130824, 135792, 136512, 141696, 148994, 155472, 174432, 174906, 181056, 196236, 203688, 207296, 223491, 232576, 233208, 261648, 271584, 273024, 297988, 310944, 348864, 349812, 362112, 392472, 407376, 414592, 446982, 466416, 523296, 543168, 595976, 621888, 670473, 697728, 699624, 784944, 814752, 893964, 932832, 1046592, 1086336, 1191952, 1243776, 1340946, 1399248, 1569888, 1629504, 1787928, 1865664, 2011419, 2093184, 2383904, 2681892, 2798496, 3139776, 3259008, 3575856, 3731328, 4022838, 4767808, 5363784, 5596992, 6279552, 7151712, 8045676, 9535616, 10727568, 11193984, 14303424, 16091352, 21455136, 28606848, 32182704, 42910272, 64365408, 85820544, 128730816, 257461632]

約数ペア:

[(1, 257461632), (2, 128730816), (3, 85820544), (4, 64365408), (6, 42910272), (8, 32182704), (9, 28606848), (12, 21455136), (16, 16091352), (18, 14303424), (23, 11193984), (24, 10727568), (27, 9535616), (32, 8045676), (36, 7151712), (41, 6279552), (46, 5596992), (48, 5363784), (54, 4767808), (64, 4022838), (69, 3731328), (72, 3575856), (79, 3259008), (82, 3139776), (92, 2798496), (96, 2681892), (108, 2383904), (123, 2093184), (128, 2011419), (138, 1865664), (144, 1787928), (158, 1629504), (164, 1569888), (184, 1399248), (192, 1340946), (207, 1243776), (216, 1191952), (237, 1086336), (246, 1046592), (276, 932832), (288, 893964), (316, 814752), (328, 784944), (368, 699624), (369, 697728), (384, 670473), (414, 621888), (432, 595976), (474, 543168), (492, 523296), (552, 466416), (576, 446982), (621, 414592), (632, 407376), (656, 392472), (711, 362112), (736, 349812), (738, 348864), (828, 310944), (864, 297988), (943, 273024), (948, 271584), (984, 261648), (1104, 233208), (1107, 232576), (1152, 223491), (1242, 207296), (1264, 203688), (1312, 196236), (1422, 181056), (1472, 174906), (1476, 174432), (1656, 155472), (1728, 148994), (1817, 141696), (1886, 136512), (1896, 135792), (1968, 130824), (2133, 120704), (2208, 116604), (2214, 116288), (2484, 103648), (2528, 101844), (2624, 98118), (2829, 91008), (2844, 90528), (2944, 87453), (2952, 87216), (3239, 79488), (3312, 77736), (3456, 74497), (3634, 70848), (3772, 68256), (3792, 67896), (3936, 65412), (4266, 60352), (4416, 58302), (4428, 58144), (4968, 51824), (5056, 50922), (5248, 49059), (5451, 47232), (5658, 45504), (5688, 45264), (5904, 43608), (6478, 39744), (6624, 38868), (7268, 35424), (7544, 34128), (7584, 33948), (7872, 32706), (8487, 30336), (8532, 30176), (8832, 29151), (8856, 29072), (9717, 26496), (9936, 25912), (10112, 25461), (10902, 23616), (11316, 22752), (11376, 22632), (11808, 21804), (12956, 19872), (13248, 19434), (14536, 17712), (15088, 17064), (15168, 16974), (15744, 16353)]